these 2 derivations will be built:
  /nix/store/1ajzgin8c1m0nmkiq718l89r88nmm626-jscpd-5.0.16-vendor.drv
  /nix/store/9qi7w4z14vzhjwmzv9yii8hdah4c9glp-jscpd-5.0.16.drv